Procedures for rapid analysis of cement and cement raw materials were developed as modifications of existing methods. Silicon dioxide (SiO₂), aluminum oxide (Al₂O₃), ferric oxide (Fe₂O₃), titanium dioxide (TiO₂), phosphorus pentoxide (P₂O₅), and sulfur trioxide (SO₃) were determined spectrophotometrically, and calcium oxide (CaO) and magnesium oxide (MgO) by titration with ethylenedi-aminetetraacetic acid (EDTA). All oxides except SO₃ were determined using aliquots of a solution prepared by fusing the specimen with sodium hydroxide (NaOH) in a gold crucible. A separate specimen is required for SO₃ analysis. The total time required for analysis of the five major oxides is between 1 and 1 1/4 hr per specimen. Six specimens can be analyzed simultaneously in 3 to 3 1/2 hr. In an additional 10 to 15 min each, SO₃, TiO₂, and P₂O₅ can be determined. Test results show the accuracies of the new methods are equal to, or better than those of the standard wet methods.